Except for the transitional elements, valency electrons are in the outermost electron shell.除去过渡元素外, 价电子位于最外面的电子层.Transitional metals ( Fe 3 + ) play an extremely important role in catalyzing CLA oxidation.变价金属离子 ( Fe~(3...
The cogs gear smoothly.齿轮啮合得很好.These executives, expert in every phase of corporation, became the indispensable cogs in the industrial machine.这些高层管理人员精通公司的各项业务, 成为整个工业机器中不可缺少的齿轮.Today's young people are being forge...
Operator, could you connect me to the Raffles in Singapore?接线员, 你能把我联络到新加坡 吗 .Singapore Airlines is rumoured to be bidding for a management contract to run both airports...据传，新加坡航空公司正在争取签下两家机场的经营权。Ethnic Chinese preponde...